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Intensity, light level, light output
| Light Glossary |
The "strength" of the incident light independent of subject reflectivity, commonly measured in foot candles or lux. high levels allow for increased depth of field (not always desirable) or faster shutter speeds (stills or high-speed filming). optimum levels are what one strives for. realistic levels are what one settles for.
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Independent, английский
- One who logs and sells his output on the open market; not associated with a mill or under company or dealer contract (19).
- Независимый; автономный
- Независимый, автономный
- Независимый, самостоятельный; рантье (лицо, живущее на доходы от капитала)
- Независимый
- A независимый
- A merchant ship under naval control, but sailing alone and unescorted by any warship.
Reflectivity, английский
- A measure of the fraction of incident radiation falling on a surface that is turned back from it by reflection. reflectivity also refers to the degree by which precipitation is able to reflect a radar beam.
- Отражательная способность
- Коэффициент отражения, отражательная способность
- Ability of a surface to reflect electromagnetic radiation, expressed as ratio r of the intensity of the total energy reflected from a surface to total radiation on that surface. for a perfect mirror, reflectivity r approaches 1.0; for a blackbody, the reflectivity is zero.
- Ability of a surface to reflect radiation, expressed as the ratio ? of the intensity of the total energy reflected from a surface to total radiation on that surface. for a perfect mirror, reflectivity r approaches 1.0; for a blackbody the reflectivity is 0. compare reflectance; reflection.
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Diaphragm, iris, aperture (camera lens), английский
The adjustable opening of a camera lens which controls the quantity of light reaching the film. see: stop. some lights also have an iris.
Big nose/small ears syndrome, английский
The "comic," and mostly unattractive, appearance of a face shot from extremely close through a wide-angle lens. see: distortion and perspective.
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